Credit Scores Explained (And 3 Simple Moves to Boost Yours)

Minimalist illustration of a worker reviewing credit score information at a desk

A credit score can affect more than your next credit card application.

It may influence the interest rate on a vehicle loan, the terms on a mortgage, your credit limit, and sometimes whether you qualify for an apartment. For many Rapid City and Black Hills families, that can mean a real difference in the monthly budget.

But a credit score is not a judgment about your character.

It is not a measure of how smart you are with money. It is a number built from information in your credit reports. And once you understand what affects it, you can take simple steps to improve it.

What is a credit score?

A credit score is a prediction of how likely you are to repay borrowed money on time.

Companies calculate your score using information from your credit reports. That information may include:

  • Whether you pay bills on time
  • How much debt you owe
  • How much of your available credit you are using
  • How long you have had credit accounts
  • Whether you have recently applied for new credit
  • The types of credit accounts you manage

Most common credit scores range from 300 to 850. A higher score usually makes it easier to qualify for credit and may help you receive better interest rates.

There is one important detail: you do not have just one credit score.

Different scoring models may use different information. Lenders may also use different versions of a score for a credit card, auto loan, mortgage, or other product. Your score can change as your credit report changes.

So do not panic if the score you see in one place is different from the score a lender sees.

Common credit score ranges

The ranges below are commonly used for FICO scores:

  • 300–579: Poor
  • 580–669: Fair
  • 670–739: Good
  • 740–799: Very good
  • 800–850: Exceptional

These ranges are useful guidelines. They are not rules about your worth. A “fair” score does not mean you have failed. It simply shows where your credit profile stands right now.

The five factors behind your credit score

FICO groups credit information into five main categories. The percentages below are approximate. The exact impact depends on your full credit history.

Five simple icons representing payment history, credit utilization, credit age, credit mix, and new credit

1. Payment history : about 35%

This is the biggest factor.

Your payment history shows whether you have paid your credit accounts on time. It may include credit cards, auto loans, student loans, mortgages, and other accounts reported to the credit bureaus.

A late payment can hurt more when it is:

  • More recent
  • More than 30 days late
  • Repeated across several accounts
  • Left unpaid for a longer period

The good news is that one mistake does not define your entire credit history. The longer you make on-time payments, the more positive information you add.

2. Amounts owed and credit utilization : about 30%

Credit utilization is the percentage of your available revolving credit that you are using.

For example, if your credit card limit is $5,000 and your balance is $1,000, your utilization is 20%.

A simple formula:

Credit card balance ÷ credit limit = utilization rate

Lenders may view high utilization as a sign that you are stretched thin, even if you make every payment on time.

A common guideline is to keep utilization under 30%. Lower is generally better, especially if you are preparing to apply for a major loan.

Also watch individual cards. An overall utilization rate may look acceptable while one card is nearly maxed out.

3. Length of credit history : about 15%

This factor looks at how long you have used credit.

Scoring models may consider:

  • The age of your oldest account
  • The average age of your accounts
  • How long specific accounts have been open
  • How recently you have used certain accounts

A longer history can help, but you do not need decades of credit to build a good score.

This is one reason closing an old credit card can sometimes hurt. Closing the account may reduce your available credit. It may also remove an older account from the active part of your credit profile.

4. Credit mix : about 10%

Credit mix refers to the types of credit you manage.

Examples include:

  • Credit cards
  • Retail accounts
  • Auto loans
  • Student loans
  • Personal loans
  • Mortgages

Having experience with different types of credit can help a little. But this is a smaller factor.

Do not take out a loan just to improve your credit mix. Paying off debt and avoiding unnecessary interest matters more.

5. New credit : about 10%

This factor looks at how often you apply for credit and how recently you opened new accounts.

Several applications in a short period may cause concern, especially if your credit history is limited. Each application may create a hard inquiry, which can temporarily affect your score.

That does not mean you should never apply for credit. It means you should apply with a purpose.

If you are shopping for an auto loan or mortgage, multiple inquiries made within a focused period may be treated differently by scoring models. Still, ask questions before submitting applications everywhere.

Three common credit score myths

Myth 1: Checking your own credit score hurts it

False.

When you check your own credit score or credit report, it is generally considered a soft inquiry. Soft inquiries do not hurt your score.

A lender checking your credit after you apply is usually a hard inquiry. That may have a small, temporary effect.

Check your own credit. It is one of the easiest ways to catch errors, unfamiliar accounts, or signs of identity theft.

Myth 2: Carrying a balance helps your score

False.

You do not need to carry a balance or pay credit card interest to build credit.

Using a card and paying the bill on time can help. Carrying a balance from month to month usually just costs you interest.

If you can, pay the statement balance in full by the due date. That protects your payment history and avoids unnecessary finance charges.

Myth 3: Closing a credit card always helps

False.

Closing a card may hurt your score if it reduces your total available credit. That can increase your utilization rate.

It can also affect the age of your credit accounts.

That does not mean you should keep every card forever. If a card has an expensive annual fee, creates temptation, or no longer fits your needs, closing it may still be the right choice. Just understand the possible credit impact first.

Three simple moves to boost your credit score

Flat illustration showing automatic payments, low credit utilization, and pausing before opening new accounts

Move 1: Pay on time, every time

Payment history carries the most weight. Make on-time payments your first priority.

The easiest way to do that is to set up autopay for at least the minimum payment on every account. Then add a calendar reminder to review the account and pay more when you can.

Autopay protects you from common problems:

  • Forgetting a due date
  • Being busy during a work shift
  • Traveling
  • Dealing with an unexpected family issue
  • Assuming a payment went through when it did not

Autopay is not permission to ignore your accounts. Check your balances and statements regularly. But it gives you a safety net.

Move 2: Keep credit utilization under 30%

Look at each credit card and your total utilization.

If your card limit is $2,000, try to keep the balance below $600. If possible, keep it lower.

You can reduce utilization by:

  • Paying down existing balances
  • Making two payments per month instead of one
  • Asking your issuer whether you qualify for a higher limit
  • Avoiding new purchases on a nearly maxed-out card
  • Paying balances before the statement closing date

Do not request a higher limit if it will encourage more spending. A larger limit only helps when your balance stays under control.

Move 3: Do not open too many accounts at once

Before applying for a new card or loan, pause.

Ask yourself:

  • Do I need this account?
  • What will the interest rate be?
  • Is there an annual fee?
  • Can I afford the payment?
  • Am I applying because of a real need or because of a promotion?

Opening several accounts at once can create multiple hard inquiries and lower the average age of your accounts.

One thoughtful application is very different from applying for five cards in one afternoon.

A practical local example

Imagine you are preparing to replace an older vehicle for work in Rapid City. You apply for an auto loan and discover that a high credit card balance is pushing your utilization above 60%.

You have been making payments on time, so your payment history is positive. But the high balance may still make lenders view you as more financially stretched.

You may not be able to transform your score overnight. But you can make a plan:

  1. Stop adding new charges to the card.
  2. Set up autopay for at least the minimum.
  3. Direct extra money toward the highest-utilization balance.
  4. Check your credit reports for errors.
  5. Avoid applying for several new accounts while paying the balance down.

That is progress. It does not require perfection.

Your next step

A credit score is information. It is not a verdict.

Start with the basics:

  • Pay on time.
  • Keep utilization low.
  • Apply for new credit carefully.

Then give the process time. Credit improvement is usually steady, not instant.

If you are not sure where to begin, FundWise offers judgment-free, one-on-one financial coaching for budgeting, debt organization, credit building, and financial priorities. You get a real person: not a chatbot or a video library: to help you turn your questions into a simple action plan.

Learn more about FundWise financial coaching or book a conversation.

For more credit education, the Consumer Financial Protection Bureau’s credit score guide and FICO’s explanation of score factors are useful places to start.

You do not need to fix everything today.

Choose one move. Start there.